Method for preparing aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating crossed corrugated interface

A technology of metal composite board and cross corrugation, which is applied in metal rolling and other directions, can solve the problems of serious texture on the base surface of magnesium board and low bonding strength of composite board

Inactive Publication Date: 2019-12-10
TAIYUAN UNIV OF TECH
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  • Abstract
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Problems solved by technology

[0003] The invention aims to solve the technical problems of low bonding strength of the composite plate and serious texture of the ba

Method used

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  • Method for preparing aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating crossed corrugated interface
  • Method for preparing aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating crossed corrugated interface
  • Method for preparing aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating crossed corrugated interface

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Embodiment 1

[0047] S1. Material selection: select an AZ31B magnesium plate with a size of 100mm×30mm×3mm as the substrate, and perform heat preservation treatment before rolling in a vacuum heating furnace, with the temperature set at 400°C and the time set at 30min.

[0048] S2, the first pass of rough rolling: put the above-mentioned magnesium plate that has been heat-preserved before rolling into the two-roll rolling mill a in which the upper and lower rolls are corrugated rolls, and the magnesium plate is rolled in the first pass to obtain Corrugated magnesium plates with unidirectional corrugations on the upper and lower surfaces, such as figure 2 shown.

[0049] S3. Intermediate heat preservation treatment: The corrugated magnesium board obtained above with unidirectional corrugations on the upper and lower surfaces is subjected to intermediate heat preservation treatment in a vacuum heating furnace. The heat treatment system is consistent with the steps, the temperature is set to ...

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Abstract

The invention relates to the technical field of rolling of metal composite plates, specifically relates to a method for preparing an aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating a crossed corrugated interface, and aims to solve the technical problems of low composite plate bonding strength and serious texture of a magnesium plate basal plane in a conventional method for preparing the aluminum-magnesium-aluminum three-layer metal plate. According to the technical scheme, the method comprises the following steps: rolling a magnesium plate into a double-faced crossed corrugated shape; then covering two layers of aluminum plates on the upper surface and the lower surface of the magnesium plate; flatly rolling the three layers of plates together; and processing to obtain the three-layer metal composite plate with the upper surface and the lower surface being planes and the middle bonding surface being crossed corrugated. With the adoption of the method, the basal plane texture of a magnesium plate can be effectively weakened, and the bonding strength can be improved. Magnesium with uniform mechanical property can be obtained when the texture strength is obviously reduced, and because a weak and dispersed basal plane texture is obtained, basal plane slippage and twin crystal formation are facilitated during stretching, so that the forming property of the plate is improved.

Description

technical field [0001] The invention relates to the technical field of metal composite plate rolling, in particular to a method for preparing an aluminum-magnesium-aluminum three-layer metal composite plate with a prefabricated cross corrugated interface. Background technique [0002] The aluminum-magnesium-aluminum three-layer metal composite panel is a composite panel made by stacking aluminum panels, magnesium panels, and aluminum panels in sequence, and then pressurizing, heating and other methods to make the bonding interface achieve metallurgical bonding. Magnesium has a low density (1.74g / cm3, only 2 / 3 of aluminum, 2 / 5 of titanium, and 1 / 4 of steel; magnesium is 36% lighter than aluminum, 73% lighter than zinc alloy, and 77% lighter than steel), High specific strength, high specific stiffness, good thermal and electrical conductivity, good electromagnetic shielding, damping, vibration reduction, machinability, low processing cost, processing energy is only 70% of alum...

Claims

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Application Information

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IPC IPC(8): B21C37/02B21B1/38
CPCB21B1/38B21B2001/386B21C37/02
Inventor 王涛李莎韩建超任忠凯贾燚马啸昌付文石罗超
Owner TAIYUAN UNIV OF TECH
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